including the total mass of all structural components and propellants required for the launch and the return flight. Both horizontal and vertical landing techniques result in an increased mass of the ...
With ReFEx (the Reusability Flight Experiment), the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) is developing a technology demonstrator for the vertical take-off and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results